Galileo used his telescope to gather data about the heavens, and his observations and theories sparked much controversy. This video segment discusses Galileo's observations of sunspots, which challenged the current...

Auroras are natural atmospheric phenomena created when the solar wind interacts with Earth's magnetosphere, which means that an increase in aurora activity indicates an increase in space weather. This interactive slide...

This resource collection provides information on how to incorporate crystal structure databases and 3-D visualization software into undergraduate mineralogy courses. Features include background information for teachers...

This database integrates field-based research, teaching, and learning and is intended to make geoscience field guide literature more accessible and useful to users. Features include background information for educators...

The discovery of pulsars won Cambridge University professor Anthony Hewish the first Nobel Prize in physics given to an astronomical subject. In this comic-book-style story Jocelyn Bell explains her role as a graduate...